package org.ms.web;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class ComputeController {

    private final Logger logger = Logger.getLogger(getClass());

    @Autowired
    private DiscoveryClient client;

    @RequestMapping(value = "/add", method = RequestMethod.GET)
    public String add(@RequestParam("a") int a, @RequestParam("b") int b) {
        ServiceInstance instance = client.getLocalServiceInstance();
        int result=0;
        if(a !=0 && b !=0 ){
            result=a+b;
        }
        logger.info("host:" + instance.getHost() + ", service_id:" + instance.getServiceId()+"result:"+result);
        return result+"";
    }

}